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Finding the Fourth Proportional to 15,999.95, 24,001.20 and 4,313.00

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Solution

The fourth proportional to 15,999.95, 24,001.20 and 4,313.00 is: 6,469.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999.95 : 24,001.20 = 4,313.00 : x
  2. Step 2: Convert to fraction form
    15,999.95/24,001.20 = 4,313.00/x
  3. Step 3: Cross multiply
    15,999.95x = 24,001.20 × 4,313.00
  4. Step 4: Simplify right side
    15,999.95x = 103,517,055.59
  5. Step 5: Solve for x
    x = 103,517,055.59/15,999.95
  6. Step 6: Final answer
    x = 6,469.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.